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S3 Immune system

Across
Liquid produced in the eye that contains enzymes that kill pathogens.
Very fine hairs that move mucus and trapped particles away from your lungs.
Liquid found in the stomach that kills pathogens.
They attach to pathogens and immbolise them, making them clump together.
Name given to a microbe that causes a disease.
Down
Found on the surface of a pathogen, that the human body can use to recognise it as foreign.
Type of white blood cell than produces antibodies .
Sticky substance produced around the body, such as a the nose, that traps pathogens.
A waterproof barrier between pathogens and the body.